Home / 5,457.75-7,531.76-2,973.75

Finding the Fourth Proportional to 5,457.75, 7,531.76 and 2,973.75

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Solution

The fourth proportional to 5,457.75, 7,531.76 and 2,973.75 is: 4,103.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.75 : 7,531.76 = 2,973.75 : x
  2. Step 2: Convert to fraction form
    5,457.75/7,531.76 = 2,973.75/x
  3. Step 3: Cross multiply
    5,457.75x = 7,531.76 × 2,973.75
  4. Step 4: Simplify right side
    5,457.75x = 22,397,556.43
  5. Step 5: Solve for x
    x = 22,397,556.43/5,457.75
  6. Step 6: Final answer
    x = 4,103.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.